<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title">
          <img src="@/assets/common/login-logo.png" alt="" />
        </h3>
      </div>

      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.mobile"
          placeholder="请输入手机号"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width:100%;margin-bottom:30px;"
        @click.native.prevent="handleLogin"
        >登录</el-button
      >

      <div class="tips">
        <span style="margin-right:5px;">还没有账号？</span>
        <span>立即注册</span>
      </div>
    </el-form>
  </div>
</template>

<script>
import { login } from '../../api/user'
export default {
  name: 'Login',
  data () {
    return {
      loginForm: {
        username: '13877777777',
        password: '123456'
      },
      loginRules: {
        mobile: [
          { required: true, trigger: 'blur', message: '手机号不能为空' },
          {
            trigger: 'blur',
            message: '手机号格式有误',
            pattern: /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/
          }
        ],
        password: [
          { required: true, trigger: 'blur', message: '密码不能为空' },
          {
            trigger: 'blur',
            message: '手机号格式有误',
            min: 6
          }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      //  handler(newVal, oldValue) {
      // 所以newVal和oldValue还是原本这个obj对应的对象
      handler: function (route) {
        // redirect重定向
        this.redirect = route.query && route.query.redirect // route.query如有值，则等于route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd () {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin () {
      this.$refs.loginForm.validate(async valid => {
        // valid即是有消息返回回来了（用户名错误也会返回，登录成功也会返回）
        if (valid) {
          // console.log(valid) //有消息返回

          // this.$message.success('登录成功') // 全局轻提示方法，适用于.vue文件

          // 加async await解决异步变同步，就不会出现登录按钮点两次才进入页面的情况了
          await this.$store.dispatch('user/loginAction', this.loginForm)
          if (this.redirect) {
            this.$router.push({
              path: this.redirect
            })
          } else {
            this.$router.push('/')
          }
          // this.$router.push(this.redirect || '/') // 高逼格写法
          // console.log(this.$store.state.token)
        } else {
          //没写密码/服务器错误 则没有valid ，来到这
          // console.log('error submit!!')
          // this.$message.error('登录失败')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #ffe8bb;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    input:-webkit-autofill {
      box-shadow: 0 0 0px 1000px white inset !important;
    }
    color: $cursor;
  }
  .el-form-item__error {
    color: #524137;
  }
  .el-button--primary {
    background-color: #ffd868;
    border-color: #ffd868;
    &:hover {
      background: #fbedd4;
      border-color: #fbedd4;
    }
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #ffe8bb;
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: gold;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  background-image: url(~@/assets/common/壁纸.jpg);
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    text-align: center;
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
